At Drummond House Plans, many people assume we only offer pre-designed house plans. In reality, our services go far beyond that.
For over 50 years, we have helped thousands of homeowners across Canada and the United States with a complete range of solutions: pre-designed plans, modified plans, fully custom home designs, as well as renovation and addition plans.
Our services are available both through our network of 30 offices and through a streamlined online process, making it easy to start your project from anywhere.
Many homeowners compare pre-designed and custom house plans, but the best solution often lies in a combination of both. Not sure which option is right for you? Here’s how to choose the best solution for your project.
A recognized expertise backed by three generations
For more than 50 years, Drummond House Plans has been a trusted name in residential design. Over the decades, we have built a strong reputation by combining technical expertise, creativity, and a deep understanding of homeowners’ needs.
Today, Drummond House Plans means:
- Over 225,000 house plans sold
- A network of 30+ offices across Quebec and Ontario
- Nearly 100 architectural professionals and residential design specialists
- A full range of services: pre-designed, modified, custom, renovation and addition plans
👉 Beyond the numbers, we are also a family business supported by a third generation actively involved in the company’s growth.
A team driven by experience and innovation
Behind every house plan is a passionate team — and today, a new generation continues to shape the evolution of Drummond House Plans with a modern vision.
Alexis Carignan and Jennifer Larocque, brother and sister, represent the third generation actively involved in the company’s growth. Their vision combines experience, innovation and a strong understanding of today’s homeowners.
They are supported by a young, creative team that stays at the forefront of residential design trends, continuously adapting home plans to modern lifestyles.
This strong team, combined with a network of over 30 offices, allows Drummond House Plans to offer both local expertise and accessible online services across North America.
We design homes that reflect today’s lifestyles:
- Open-concept living spaces
- Optimized natural light
- Functional and efficient layouts
- Flexible living environments
👉 This unique combination of experience, innovation and human expertise allows us to design homes that are both timeless and perfectly adapted to modern living.
Our commitment: more than just a set of plans
At Drummond House Plans, a house plan is never just a drawing. It is a complete working tool designed to ensure a smooth and successful construction process.
What this means in practice:
- Professional guidance at every stage
- Some of the most detailed plans in the industry
- Designs that meet — and exceed — building standards
- Support available before, during and after construction
- Clear answers and human support
👉 Our goal is simple: deliver a plan perfectly adapted to your project, without compromise.
Pre-designed house plans: a strong and efficient starting point
Pre-designed house plans are a practical, cost-effective and proven solution. Contrary to common assumptions, they are far from generic or rigid.
In fact, these plans can be modified and adapted to suit your needs, your lot and your lifestyle. Each model is carefully designed and optimized for modern construction standards and real-life living.
👉 In many cases, this is the best starting point. When comparing custom vs pre-designed house plans, many clients find that modifying an existing plan offers the ideal balance between affordability and personalization.
Modifying a plan: the most popular option
In reality, most clients choose to modify an existing plan rather than start from scratch.
Why modify a house plan?
- Adjust the layout
- Modify windows and openings
- Adapt the design to your lot
- Optimize your construction budget
👉 This approach gives you a personalized result while keeping the advantages of a proven design.
Custom house plans: fully tailored to your needs
Some projects require a fully custom approach.
👉 A custom house plan allows you to optimize every detail and create a home that perfectly matches your lifestyle.
This is especially true when:
- The lot has specific constraints
- The needs are highly specific
- The project is unique or high-end
👉 In these cases, we design a fully custom home tailored to your vision.
Renovation and addition plans
Not every project starts from scratch.
We also offer:
- Renovation plans
- Home addition plans
- Space reconfiguration
👉 A smart way to improve your current home.
Planning your construction budget
No matter which option you choose, your budget is a key factor in the success of your project. A clear understanding of your financial limits helps you make informed decisions and avoid costly surprises.
Several elements can influence the overall cost of building a home:
- The size and complexity of the design
- The choice of materials and finishes
- The layout and architectural features
- The characteristics of your lot
- Local construction costs and regulations
👉 Taking these factors into account allows you to choose a house plan that aligns with both your vision and your budget.
A strong local presence
Drummond House Plans stands out with a network of over 30 offices across Quebec and Ontario.
Why it matters:
- Better understanding of local regulations
- Personalized support
- Local expertise
Whether you prefer in-person guidance or a fully online experience, our team adapts to your needs to ensure a smooth and personalized process.
In addition to our physical offices, Drummond House Plans also offers a fully efficient online service, allowing clients across Canada and the United States to benefit from our expertise, no matter where they are located.
Custom vs Pre-Designed House Plans: Which One Should You Choose?
The right choice depends on:
- Your budget
- Your lot
- Your needs
- The level of customization required
No matter your location, our team can guide you either through one of our local offices or entirely online, with the same level of expertise and support.
👉 In many cases, a modified plan offers the best balance.
👉 For unique projects, custom design is ideal.
Examples of house plans to inspire you
Looking at real plans is one of the best ways to clarify your needs.
👉 Here are some popular examples:
A smart choice for homeowners looking for a classic design that can be adapted to their lot, budget and daily lifestyle.
A perfect blend of modern design and flexibility, ideal for creating a personalized living space.
An excellent example of a walkout basement house plan designed to maximize light, flexibility and sloped-lot potential.
👉 Explore our collection of walkout basement house plans designed for sloped lots and modern living.
Get started
Take advantage of our expertise to bring your project to life with confidence. Whether you prefer to work with a local office or take advantage of our fully online services, Drummond House Plans makes it easy to move forward with your project, wherever you are.
❓ FAQ – Drummond House Plans and house plans
Is it better to choose custom or pre-designed house plans?
It depends on your needs. Pre-designed plans are more affordable and faster, while custom plans offer full flexibility. In many cases, modifying a pre-designed plan provides the best balance between cost and personalization.
Does Drummond House Plans offer custom home plans?
Yes. In addition to pre-designed house plans, Drummond House Plans offers a complete custom home design service tailored to each project, including your needs, lifestyle and lot.
Can an existing house plan be modified?
Yes. Plan modification is the most popular option, as it allows you to adapt an existing design while optimizing your budget and timeline.
What is the difference between a customized plan and a custom home plan?
A customized plan is a modification of an existing model, while a custom home plan is designed entirely from scratch based on your specific needs.
Does Drummond House Plans offer renovation plans?
Yes. We also provide renovation and home addition plans to help transform and optimize your existing home.
Which option is the most affordable?
Pre-designed house plans are generally the most affordable option, followed by modified plans, and then fully custom home designs.
Conclusion
At Drummond House Plans, we offer much more than pre-designed plans. Our complete approach allows you to choose the best solution for your project, your budget, and your lifestyle. Drummond House Plans combines flexibility, expertise and proven designs to support every type of project.
👉 Whether you choose a pre-designed house plan, modified or fully custom house plan, the goal remains the same: creating a home that truly fits your needs.